The Single Best Strategy To Use For KGW Crystal
The Single Best Strategy To Use For KGW Crystal
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Investigating tumor perfusion by hyperpolarized (thirteen) C MRI with comparison to standard gadolinium contrast-Improved MRI and pathology in orthotopic human GBM xenografts.
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Together with its use for a Raman crystal, KGW can be used in other optical apps, for instance in laser programs and as a scintillator in clinical imaging.
The monoclinic crystal structures results in a normal birefringence, assisting to keep away from thermally induced polarization rotation and depolarization decline.
Potassium was identified and 1st isolated by Sir Humphrey Davy in 1807. Potassium is definitely the seventh most abundant component on the planet. It really is Probably the most reactive and electropositive of all metals and speedily oxidizes. Just like other alkali metals, potassium decomposes in drinking water Using the evolution of hydrogen on account of its reacts violently with h2o, it only happens in nature in ionic salts.
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KGW (potassium gadolinium tungstate) is often a crystal that is usually utilised to be a Raman crystal in Raman spectroscopy. It's really a colorless, clear crystal which has a high Raman scattering performance and a robust Raman spectrum, making it suited to a range of Raman applications.
Whilst BGO and LT created the narrowest SC spectra (marginally less than 1.5 optical octaves), they may be seen as incredibly beautiful nonlinear components for broadband SC technology with pumping at more time laser wavelengths. Owing to its significant nonlinearity, BGO exhibited the lowest SC era threshold (seventy eight nJ) Among the many investigated resources, which can be twenty five % reduce than in KGW and will be considered as exceptional nonlinear substance for incredibly very low-threshold SC technology. The observed secure and durable injury-totally free performance of BGO and GGG at 200 kHz pulse repetition rate indicates that these nonlinear materials have a possible get more info for SC generation at even better, MHz, repetition rates. Additionally, these supplies give SC radiation with an outstanding set of parameters which have been important for applications in significant pace spectroscopy and imaging that hire bulk-created SC, see e.g.17,eighteen,19,twenty.
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相关工作得到了上海扬帆计划、国家重点研发计划、中国科学院战略性先导科技专项、国家自然科学基金项目、上海市优秀学术/技术带头人计划、上海市市级科技重大专项、中国科学院青年创新促进会的支持。（强场激光物理国家重点实验室供稿）
A multi-move main amplifier will further more Improve the Power to higher than 40 mJ. We'll use cryogenically cooled Yb:KGW technologies to restrain the thermal effect. Two levels of compression will likely be utilized following amplification. The primary stage entails a standard Treacy-sort compressor, and could compress the pulse duration to under three hundred fs having an efficiency of approximately 70%. The 2nd phase consists of a fuel-filled multi-go cell[
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The origin of your element's name comes from the English word 'potash,' meaning pot ashes, and the Arabic word qali